Home / 170,530.35-235,348.52-127,435.01

Finding the Fourth Proportional to 170,530.35, 235,348.52 and 127,435.01

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Solution

The fourth proportional to 170,530.35, 235,348.52 and 127,435.01 is: 175,872.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,530.35 : 235,348.52 = 127,435.01 : x
  2. Step 2: Convert to fraction form
    170,530.35/235,348.52 = 127,435.01/x
  3. Step 3: Cross multiply
    170,530.35x = 235,348.52 × 127,435.01
  4. Step 4: Simplify right side
    170,530.35x = 29,991,639,185.77
  5. Step 5: Solve for x
    x = 29,991,639,185.77/170,530.35
  6. Step 6: Final answer
    x = 175,872.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.